-ene c-cd cccc cccv ccdc ccdn ccdr cced ccee ccgc ccnc ccne ccnr ccrc ccre ccrg cd-e cd-r cddr cdec cder cdnc cdre cdvd cec- cece cedd cede ceec cege cen- cend cene ceng cer- cerc cerd cere cern cgcc cgcg cged cger cndd cnrc cnrr crcc crce crcr crdc cre- crec cred cree creg cren crne cvcc cven cver cvrd cvrg cvrr dccc dccv dcvd dcvg dddd ddrc ddre dec- decc decd dece dedd dede deed deeg deen deer deev dege dene deng denn der- derc dere derg dern derr derv deve dgeg dgge dnce dner dnev dnrc dred dree dreg dren drev drge drvn dvdr eccc ecce ecdc eced ecne ecrc ecrr ecrv eddc edde ede- eden eder edge edrn edve eede eeee eend eeng eerc eerg eevn egcc egcg egcr egec egee eger egge egne egnv egre egvn en-v ence end- ende ened enee eneg ener enge engg engr ennc enne ercc erce erde erec ered eren erer erev erg- ergg erne errc erre erve even ever evng evre gc-c gccc gcrg gdrc gece gedd gede geed geen geer gege gegg gen- genc gend gene geng genn gerd gere gern geve gggg ggrn gncc gngc gnrc gnrr grcc grce grdc grec gree greg gren grev grrr grve gvvv nccc nccn nccr ncdc ncdn ncdr ncec nced ncee ncen ncer ncgr ncnc ncnd ncrc ncre ndcc ndde nder ndrc ndre necc nece necr nedc nedd nede need neen neer neev nege nend nene neng nerc nerd nere nerr nerv neve ngdc nged ngen nger nngn nnnn nrdc nren nrrc nrrd nvcc rccc rcdc rcde rcgc rcnr rcrd rcrg rcvr rder rdev recc recd rece recr redc redd rede redr reed reen reev regd rege regn regr rend rene reng renn rerd rere rerg revd reve rndc rred rrrr rv-c rved rver vdcc vdec vder vdre vecc vedc vede veen veer vege ven- vend vene veng venn ver- verd vere vern veve vgcc vred vrnn vver vvvv